Non-woven Packaging Bags For Grain

non-woven packaging bags for grain ,factory price ,best quality . We can choose different material , PP woven , Non-woven .Our material is 100% new , we have passed SGS and FDA certification .All spec. can be customized ,our printing is one of the top in south China .

non-woven packaging bags for grain

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FAQ:

Q1: Why do we need different kinds of plastics?

A:Copper,silver and aluminum are all metals, yet each has unique properties. We do not make a car out of silver or a beer can out of copper because the properties of these metals are not the best choice for final product. Likewise, while plastics are all related, each resin has attributes that make it best suited to a particular application. Plastics make this possible because as a material family they are so versatile.

Q2: How can I get some samples?A: We are honored to offer you samples. You are requested to pay the plate cost & sample cost if it is a laminated bag.

Q3: What information should I let you know if I want toget a quotation?We will offer you price referring to your detail request, please kindly inform us of the material, size, thickness,artwork design,quantity and other requirements you prefer. If necessary, we can also give some advice for your reference.

Q4: How are plastics made?

A: Most commercial plastics encountered by consumers consist of building blocks of carbon. Those building blocks are typically derived from petroleum or natural gas, but can be derived from coal or biological sources. The building blocks of small molecules are called monomers. The monomers used are many and can be combined in various combinations to achieve special properties and characteristics. The nature of the polymer science is such that the monomers must be very pure to make useful plastics. Plastics can be made at very high pressures using gases, in solvents or liquid emulsions, or as melted materials. Each plastic has preferred manufacturing techniques based on its specific chemistry. All successful chemical syntheses are characterized by purification of raw materials, reuse of surplus material, efficient conversion of materials to useful plastic, efficient use of energy, and minimized releases of byproducts to the environment.